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Transcript
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Data provider
Seacoos netcdf convention (format, data dictionary of
variable and attribute standard names) applied to provider
in-situ and model data, screen-scraped data from outside
sources. (30 Gigabytes since September 2004)
Raster images(.png’s) copied to fileserver with timestamp
and projection info colleceted. (70 Gigabytes since
September 2004)
Data aggregator
Perl scripts convert latest measurements from netCDF to
database SQL INSERT statements to populate the
PostgreSQL+PostGIS database. One table per variable
type/data layer indexed temporally, spatially.
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Products
MapServer GIS visualization with additional features such
as animation, point/raster query, time series graphs
Data query/export by
OGC WMS(images), WFS(records)
DODS/OPeNDAP netCDF or relational database server
Documentation
http://twiki.sura.org/bin/view/Main/DataStandards
QA/QC
Basic flagging for range,continuity,calibration
OGC Catalog, Sensor Web, SensorML, Obs&Measurments
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